GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
#g1 5 -1 0 0 0 0 0 -1 0 0 0 0 0 -1 0 0 0 0 0 -1 0 0 0 0 0 -1 2^1 = 2 % order of the group
